Arvada, CO Weather & Growing Conditions
This Afternoon
78°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 78, with temperatures falling to around 70 in the afternoon. North northeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Chance Showers And Thunderstorms | 7 mph NNE | 47% |
| Tonight | 51°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 6 mph WNW | 30% |
| Sunday | 71°F | Chance Showers And Thunderstorms | 1 to 7 mph N | 27% |
| Sunday Night | 50°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 6 mph NE | 22% |
| Monday | 74°F | Sunny | 0 to 7 mph ENE | 2% |
| Monday Night | 51°F | Partly Cloudy | 0 to 7 mph N | 5% |
| Tuesday | 78°F | Mostly Sunny | 0 to 6 mph NE | 10% |
| Tuesday Night | 54°F | Partly Cloudy | 1 to 5 mph SW | 11% |
| Wednesday | 80°F | Partly Sunny | 1 to 5 mph N | 9% |
| Wednesday Night | 54°F | Mostly Cloudy | 5 mph NW | 10% |
| Thursday | 81°F | Mostly Sunny | 2 to 7 mph SSW | 7% |
| Thursday Night | 56°F | Mostly Cloudy | 1 to 7 mph SSE | 12% |
| Friday | 80°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph SSE | 28% |
| Friday Night | 56°F | Slight Chance Rain Showers | 6 mph SSW | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arvada, CO
Last spring frost
May 5
First fall frost
Oct 5
Growing season
151 days
Hardiness zone
6a
Explore more for Arvada, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Wheat Ridge 2, Co (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.